The Swift Package Index logo.Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build MulticastDelegate, reference master (4418ae), with Swift 6.1 for Linux on 25 Apr 2025 20:11:33 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jonasman/MulticastDelegate.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/jonasman/MulticastDelegate
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 4418ae5 Removed package file from demo compilation file list
Cloned https://github.com/jonasman/MulticastDelegate.git
Revision (git rev-parse @):
4418ae5c74f13250ab7cd10993f3f29ece92e3dd
SUCCESS checkout https://github.com/jonasman/MulticastDelegate.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/jonasman/MulticastDelegate.git
https://github.com/jonasman/MulticastDelegate.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "MulticastDelegate",
  "name" : "MulticastDelegate",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.11"
    },
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    }
  ],
  "products" : [
    {
      "name" : "MulticastDelegate",
      "targets" : [
        "MulticastDelegate"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MulticastDelegate",
      "module_type" : "SwiftTarget",
      "name" : "MulticastDelegate",
      "path" : "Sources/MulticastDelegate",
      "product_memberships" : [
        "MulticastDelegate"
      ],
      "sources" : [
        "MulticastDelegate.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module MulticastDelegate
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:17:28: error: cannot find type 'NSHashTable' in scope
 15 |
 16 |     /// The delegates hash table.
 17 |     private let delegates: NSHashTable<AnyObject>
    |                            `- error: cannot find type 'NSHashTable' in scope
 18 |
 19 |     /**
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:49:26: error: cannot find type 'NSPointerFunctions' in scope
 47 |      *  - returns: A new `MulticastDelegate` instance
 48 |      */
 49 |     public init(options: NSPointerFunctions.Options) {
    |                          `- error: cannot find type 'NSPointerFunctions' in scope
 50 |
 51 |         delegates = NSHashTable<AnyObject>(options: options, capacity: 0)
[4/4] Compiling MulticastDelegate MulticastDelegate.swift
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:17:28: error: cannot find type 'NSHashTable' in scope
 15 |
 16 |     /// The delegates hash table.
 17 |     private let delegates: NSHashTable<AnyObject>
    |                            `- error: cannot find type 'NSHashTable' in scope
 18 |
 19 |     /**
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:49:26: error: cannot find type 'NSPointerFunctions' in scope
 47 |      *  - returns: A new `MulticastDelegate` instance
 48 |      */
 49 |     public init(options: NSPointerFunctions.Options) {
    |                          `- error: cannot find type 'NSPointerFunctions' in scope
 50 |
 51 |         delegates = NSHashTable<AnyObject>(options: options, capacity: 0)
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:39:40: error: cannot find 'NSHashTable' in scope
 37 |     public init(strongReferences: Bool = false) {
 38 |
 39 |         delegates = strongReferences ? NSHashTable<AnyObject>() : NSHashTable<AnyObject>.weakObjects()
    |                                        `- error: cannot find 'NSHashTable' in scope
 40 |     }
 41 |
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:39:67: error: cannot find 'NSHashTable' in scope
 37 |     public init(strongReferences: Bool = false) {
 38 |
 39 |         delegates = strongReferences ? NSHashTable<AnyObject>() : NSHashTable<AnyObject>.weakObjects()
    |                                                                   `- error: cannot find 'NSHashTable' in scope
 40 |     }
 41 |
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:51:21: error: cannot find 'NSHashTable' in scope
 49 |     public init(options: NSPointerFunctions.Options) {
 50 |
 51 |         delegates = NSHashTable<AnyObject>(options: options, capacity: 0)
    |                     `- error: cannot find 'NSHashTable' in scope
 52 |     }
 53 |
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/3] Emitting module MulticastDelegate
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:17:28: error: cannot find type 'NSHashTable' in scope
 15 |
 16 |     /// The delegates hash table.
 17 |     private let delegates: NSHashTable<AnyObject>
    |                            `- error: cannot find type 'NSHashTable' in scope
 18 |
 19 |     /**
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:49:26: error: cannot find type 'NSPointerFunctions' in scope
 47 |      *  - returns: A new `MulticastDelegate` instance
 48 |      */
 49 |     public init(options: NSPointerFunctions.Options) {
    |                          `- error: cannot find type 'NSPointerFunctions' in scope
 50 |
 51 |         delegates = NSHashTable<AnyObject>(options: options, capacity: 0)
[3/3] Compiling MulticastDelegate MulticastDelegate.swift
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:17:28: error: cannot find type 'NSHashTable' in scope
 15 |
 16 |     /// The delegates hash table.
 17 |     private let delegates: NSHashTable<AnyObject>
    |                            `- error: cannot find type 'NSHashTable' in scope
 18 |
 19 |     /**
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:49:26: error: cannot find type 'NSPointerFunctions' in scope
 47 |      *  - returns: A new `MulticastDelegate` instance
 48 |      */
 49 |     public init(options: NSPointerFunctions.Options) {
    |                          `- error: cannot find type 'NSPointerFunctions' in scope
 50 |
 51 |         delegates = NSHashTable<AnyObject>(options: options, capacity: 0)
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:39:40: error: cannot find 'NSHashTable' in scope
 37 |     public init(strongReferences: Bool = false) {
 38 |
 39 |         delegates = strongReferences ? NSHashTable<AnyObject>() : NSHashTable<AnyObject>.weakObjects()
    |                                        `- error: cannot find 'NSHashTable' in scope
 40 |     }
 41 |
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:39:67: error: cannot find 'NSHashTable' in scope
 37 |     public init(strongReferences: Bool = false) {
 38 |
 39 |         delegates = strongReferences ? NSHashTable<AnyObject>() : NSHashTable<AnyObject>.weakObjects()
    |                                                                   `- error: cannot find 'NSHashTable' in scope
 40 |     }
 41 |
/host/spi-builder-workspace/Sources/MulticastDelegate/MulticastDelegate.swift:51:21: error: cannot find 'NSHashTable' in scope
 49 |     public init(options: NSPointerFunctions.Options) {
 50 |
 51 |         delegates = NSHashTable<AnyObject>(options: options, capacity: 0)
    |                     `- error: cannot find 'NSHashTable' in scope
 52 |     }
 53 |
BUILD FAILURE 6.1 linux